Scratch music is a kind of lottery ticket with lower operating threshold than two-color ball and lotto, and many people want to get rich overnight.
Lottery is a kind of voucher issued to raise funds, printed with numbers, graphics, words and face value, which is purchased voluntarily by buyers according to certain rules and whether they win or not. In China, there are two kinds of lottery tickets issued by the state, namely, China Welfare Lottery and China Sports Lottery.